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1. 发明申请

US20100315653A1 OPTICAL SENSOR FOR POSITIONING TASKS 审中-公开
标题翻译：用于定位任务的光学传感器
公开(公告)号：US20100315653A1
公开(公告)日：2010-12-16
申请号：US12664663
申请日：2008-06-18
申请人： Thomas Weingartz , Johannes Gromke
发明人： Thomas Weingartz , Johannes Gromke
IPC分类号： G01B11/14
CPC分类号： G01P3/68 , G01D5/34707 , G01D5/34784 , G01P3/366 , G01P3/806 , G01P21/02 , G01S17/58
摘要： The invention relates to a method for length and/or velocity measurement, in particular for positioning tasks, in which an optical sensor carries out a length and/or velocity measurement on a measurement object in a contactless manner, wherein the optical sensor carries out the length and/or velocity measurement via an image processing method, via a spatial frequency filter method and/or by way of a laser Doppler method and reference markings are recognized by the optical sensor, and to a corresponding apparatus. The object of providing a simple method and a simple apparatus for length and/or velocity measurement which offers a higher degree of measurement reliability with the result that it can also be used in safety-relevant areas of application is achieved by evaluation means carrying out reference marking recognition operations and by a plausibility test being carried out, in which a signal is generated as a function of the result of the plausibility test.
摘要翻译：本发明涉及一种用于长度和/或速度测量的方法，特别是用于定位任务的方法，其中光学传感器以非接触方式对测量对象进行长度和/或速度测量，其中光学传感器执行通过图像处理方法，通过空间频率滤波方法和/或通过激光多普勒方法和参考标记的长度和/或速度测量被光学传感器和相应的装置识别。提供简单的方法和用于长度和/或速度测量的简单设备的目的是提供更高程度的测量可靠性，其结果是它也可以用于安全相关的应用领域，通过评估装置实现参考标记识别操作和正在执行的合理性测试，其中产生作为合理性测试结果的函数的信号。

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